body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
    monospace;
}
html,body,h1,h2,h3,h4,h5,h6,p,ul,li,dl,dd,dt{
  margin: 0;
  padding: 0;
}
html,body{
  display: flex;
  flex-direction: column;
}
li{
  list-style: none;
}
img{
  display: block;
  border: none;
}
a{
  cursor: pointer;
  text-decoration: none;
  color: #000;
}
#root{
  height: 100%;
  display: flex;
  flex-direction: column;
}